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Procedure-SolidSamplesInstrumentcalibration/driftcorrection.Addapproximately0.05gof***GraphitePowdertoa***GraphiteCrucible.Firmlyplacethecrucibleonthelowerelectrodetiporappropriateautoloaderposition.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.Repeatsteps3bthrough3jaminimumofthreetimesforeachcalibration/driftstandardused.Calibrate/driftfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.上海禹重實(shí)業(yè)有限公司分析儀服務(wù)值得放心。山西LECO氧氮?dú)浞治鰞x廠家報(bào)價(jià)
SamplePreparationTypically,titaniumandzirconiumsamplesarechemicallyetchedtoremovesurfacecontaminationwhenoxygenandnitrogenaredetermined.However,etchingcanintroducehydrogenintothesample.ASTMmethodE1409"DeterminationofOxygenandNitrogeninTitaniumandTitaniumAlloysbytheInertGasFusionTechnique",asupdatedin1996,permitseitheretchingorabrading(filing)ofthetestspecimen.ASTME1447"DeterminationofHydrogeninTitaniumandTitaniumAlloysbytheInertGasFusionThermalConductivity/InfraredDetectionMethod"permitssurfacepreparationbyabrading(ifnecessarytoremovecontamination).DifferencesinsamplepreparationpresentsomewhatofadilemmaregardingsimultaneousdeterminationofO,N,andHintitanium.However,abradingsampleswithafiletoremovesurfacecontaminationwillyieldaccurateO,N,andHresults.TheONH836utilizesahigh-powerelectrodefurnacetoquicklyandefficientlyreleasethetargetgasesfromwithinthesample,whichallowsforaveryrapidsimultaneousdeterminationofoxygen,nitrogen,andhydrogen.新疆元素分析儀廠家供應(yīng)分析儀,就選上海禹重實(shí)業(yè)有限公司,讓您滿意,歡迎您的來(lái)電!
Procedure-SolidSamples:--Instrumentcalibration/driftcorrection.Placethenickelbasketcontainingthecalibration/driftstandardintotheopenportatthetopoftheloadinghead.PresstheAnalyzebuttonontheinstrumentscreenagain,theloadingheadslide-blockwillcloseandthelowerelectrodewillopen.Cleantheupperandlowerelectrodemanually,or,ifapplicable,removethecrucibleandpresstheanalyzebuttontocleanwiththeautomaticcleaner.
Procedure–Powder/ChipSamplesDeterminetheinstrumentblank.PresstheAnalyzebuttonontheinstrumentscreen,thelowerelectrodewillcloseandtheanalysissequencewillstartandendautomatically.Repeatsteps2bthrough2gaminimumofthreetimes.Settheblankfollowingtheprocedureoutlinedintheoperatorsinstructionmanual.Instrumentcalibration/driftcorrection.LoginaminimumofthreeStandardreps.Weighapproximately***gramsofacalibration/driftstandardintoa***NickelCapsule;enterthemassandstandardidentificationintoappropriaterepfields.Ifapplicable,placethenickelcapsuleintheappropriateautoloaderposition.Note:LECOReferenceMateria***onotrequirepreparation.Seepreparationstatementonthereferencematerialcertificate.SolidStandardsmaybeusedtocalibratewhenchiporpowderstandardsarenotavailable.上海禹重實(shí)業(yè)有限公司是一家專(zhuān)業(yè)提供分析儀的公司,歡迎您的來(lái)電哦!
SamplePreparationSamplingandsamplepreparationofrefractorymetalssuchastitaniumandzirconiumissomewhatdifferentfromthatofsteel.Unlikesteelsamples,hydrogenisnotasmobileinthisgroupofmaterials;therefore,storageinliquidnitrogenordryiceisnotrequired.However,itisimportanttokeepthesamplecoolwhencuttingorsectioning.Samplepreparationforoxygenandnitrogendeterminationhasbeendifferentfromthatofhydrogendetermination.上海禹重實(shí)業(yè)有限公司為您提供分析儀,有需求可以來(lái)電咨詢(xún)!安徽LECO氧氮?dú)浞治鰞x哪家好
分析儀,就選上海禹重實(shí)業(yè)有限公司,用戶(hù)的信賴(lài)之選,有想法可以來(lái)我司咨詢(xún)!山西LECO氧氮?dú)浞治鰞x廠家報(bào)價(jià)
美國(guó)LECO力可氧氮?dú)浞治鰞xONH836(氧氮?dú)渎?lián)測(cè)儀)系列硬件部分特點(diǎn)和優(yōu)勢(shì)1、爐頭區(qū)域LED照明系統(tǒng)2、爐頭快速拆裝的粉塵過(guò)濾裝置3、裝有自動(dòng)旁路閥的可快速拆裝氧水捕集裝置4、的動(dòng)態(tài)流量補(bǔ)償(DFC)保證熱導(dǎo)池氣體流量、壓力恒定5、改進(jìn)的紅外檢測(cè)池技術(shù) 新紅外池的恒溫絕熱技術(shù)消除了外界環(huán)境溫度的干擾 長(zhǎng)壽命的紅外發(fā)射光源和無(wú)漂移的電路設(shè)計(jì)保證紅外檢測(cè)池的長(zhǎng)期穩(wěn)定 氧高低雙量程采用3個(gè)碳紅外檢測(cè)器,同時(shí)檢測(cè)一氧化碳和二氧化碳,保證準(zhǔn)確定量 6、高效脈沖爐冷卻系統(tǒng) 強(qiáng)力內(nèi)循環(huán)水冷裝置 雙直流風(fēng)扇保證持續(xù)冷卻,不受電壓波動(dòng)的影響 新電極爐頭設(shè)計(jì),提高脈沖爐熱交換效率 7、全自動(dòng)分析系統(tǒng)(可選) 自動(dòng)清掃裝置 20位或100位全自動(dòng)分析系統(tǒng) 高速全自動(dòng)真空除塵裝置直接將粉塵排至儀器外部捕集器中,消除環(huán)境污染山西LECO氧氮?dú)浞治鰞x廠家報(bào)價(jià)